Diff: main.cpp

Revision:

0:ad25de01864e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 24 00:02:31 2010 +0000
@@ -0,0 +1,100 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX);
+LocalFileSystem local("local");
+
+void get_from_pc(char* buffer) {
+    char c;
+    int i;
+    for (i=0; i<64; i++) buffer[i] = '\0';
+    i=0;
+    pc.printf(": ");
+    while ((i<64) && ((c = pc.getc()) != '\n')) {
+        if (c == 0x7f) {
+            if (i>0) {
+                i--;
+                buffer[i] = '\0';
+                pc.putc(8);
+                pc.putc(' ');
+                pc.putc(8);
+            }
+        } else {
+            pc.putc(c);
+            buffer[i] = c;
+            i++;
+        }
+    }
+    pc.printf("\n\r");
+}
+
+void ls() {
+    DIR* d = opendir("/local");
+    struct dirent *p;
+    while ((p=readdir(d)) != NULL) pc.printf("%s\n\r", p->d_name);
+    closedir(d);
+}
+
+void cat(char* buffer) {
+    int i;
+    signed char c;
+    char filepath[19] = "/local/";
+    for (i=0;i<60;i++) buffer[i] = buffer[i+4];
+    for (i=7;i<19;i++) filepath[i] = buffer[i-7];
+    FILE* file = fopen(filepath, "r");
+    while ((c=fgetc(file)) != EOF) {
+        pc.putc(c);
+        if (c == '\n') pc.putc('\r');
+    }
+    fclose(file);
+    pc.printf("\r");
+}
+
+void ed(char* buffer) {
+    int i;
+    signed char c;
+    char filepath[19] = "/local/";
+    for (i=0;i<61;i++) buffer[i] = buffer[i+3];
+    for (i=7;i<19;i++) filepath[i] = buffer[i-7];
+    FILE* file = fopen(filepath, "w");
+    c = pc.getc();
+    while ((c != 4) && (c != EOF)) {
+        if (c == 0x7F) {
+            pc.putc(8);
+            pc.putc(' ');
+            pc.putc(8);
+            fseek(file, -1, SEEK_CUR);
+        } else {
+            pc.putc(c);
+            fputc(c, file);
+            if (c == '\n') pc.putc('\r');
+        }
+        c = pc.getc();
+    }
+    pc.printf("\n\r");
+    fputc('\n', file);
+    fflush(file);
+    fclose(file);
+}
+
+int main() {
+    char buffer[64];
+    pc.baud(115200);
+    pc.printf("Local Flash Filesystem Test\n\r");
+    pc.printf("Nathan Lasseter 2010\n\n\r");
+    pc.printf("Up to 64 characters input is allowed,\n\r\tup to 8 character filenames (excluding extension)\n\r");
+    pc.printf("Commands: ls, cat filename, ed filename\n\n\r");
+    while(1) {
+        get_from_pc(buffer);
+        if (strncmp(buffer, "ls", 2) == 0) {
+            ls();
+        } else if (strncmp(buffer, "cat", 3) == 0) {
+            cat(buffer);
+        } else if (strncmp(buffer, "ed", 2) == 0) {
+            ed(buffer);
+        } else if (strcmp(buffer, "") == 0) {
+            pc.printf("! No command\n\r");
+        } else {
+            pc.printf("! Invalid Command <%s>\n\r", buffer);
+        }
+    }
+}
\ No newline at end of file